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2012 AP Stats Project (5)

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Melissa, Jessica, and Laura explored the relationship between grade level and Hot Cheetos preference in this study.

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2012 AP Stats Project (5)

  1. 1. Original vs. Baked Melissa Alvarez Jessica Huerta Laura Becerra
  2. 2. • Flamin Hot Cheetos was introduced in 1981 by Frito-Lay
  3. 3. • Flamin Hot Baked Cheetos was introduced in 2006 by Fritos inventor Charles Elmer from San Antonio, Texas.
  4. 4. Grade:9th 10th 11th 12thGender: Male FemaleOption: A or B
  5. 5. Ho: Gender and Cheetos preference areindependent of each other.Ha: Gender and type of Hot Cheetos arenot independent of each other.
  6. 6. Conditions• Random• Independent• Normal
  7. 7. 9th 10th 11th 12thOriginal 16 17 6 10 49 (9.6) (16.9) (8.7) (13.7) Baked 5 20 13 20 58 (11.4) (20.06) (10.3) (16.3) 21 37 19 30 107
  8. 8. Chi- Square 2 2 observed expected expected 2 11.24 Reject Hop 0.01df 3
  9. 9. Potential ErrorsTwo grade levels in one class roomWhispering
  10. 10. Original vs. Baked Melissa Alvarez Jessica Huerta Laura Becerra

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